package org.jeecg.modules.bobo.common.config;

import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.scheduling.annotation.EnableAsync;
import org.springframework.scheduling.concurrent.ThreadPoolTaskExecutor;

import java.util.concurrent.Executor;
import java.util.concurrent.ThreadPoolExecutor;

/**
 * @program: jeecg-boot-parent
 * @description: 线程池配置
 * @author: 三千霜
 * @create: 2020-05-12 14:35
 */
@Configuration
@EnableAsync
public class ExecutorConfig {

    @Bean
    public Executor lbAutoServiceLogServiceAsyncExecutor(){
        ThreadPoolTaskExecutor executor =new ThreadPoolTaskExecutor();
        //配置核心线程数
        executor.setCorePoolSize(5);
        //配置最大线程数
        executor.setMaxPoolSize(5);
        //配置队列大小
        executor.setQueueCapacity(99999);
        //配置线程池中的线程的名称前缀
        executor.setThreadNamePrefix("async-lb-auto-service-log-service-");
        // rejection-policy：当pool已经达到max size的时候，如何处理新任务

        // CALLER_RUNS：不在新线程中执行任务，而是有调用者所在的线程来执行

        executor.setRejectedExecutionHandler(new ThreadPoolExecutor.CallerRunsPolicy());

        //执行初始化

        executor.initialize();

        return executor;
    }


}
